find the value of A and B for which given pair of linear equation has infinite number of solutions 1) 2x - 3Y = 7 2) (a + b) x - (a + b - 3)y = (4 a + b)
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condition for infinite solutions is A1/A2=b1/b2=C1/C2
2/(a+b)=3/(a+b-3)=7/(4a+b)
by solving,
a=-5 and b= -1
2/(a+b)=3/(a+b-3)=7/(4a+b)
by solving,
a=-5 and b= -1
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